/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #0a0a0a;
    overflow-x: hidden;
}

/* ===== 统一section样式 ===== */
section {
    position: relative;
    overflow: hidden;
}

section:not(.hero):not(.navbar) {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #4ade80, #06b6d4, #8b5cf6);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

.section-header p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 统一卡片样式基类 */
.card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border-color: rgba(74, 222, 128, 0.3);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4ade80, #06b6d4, #8b5cf6);
    border-radius: 24px 24px 0 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.nav-logo .logo-icon {
    width: 45px;
    height: 45px;
    margin-right: 15px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 8px rgba(74, 222, 128, 0.3));
}

.nav-logo:hover .logo-icon {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 4px 15px rgba(74, 222, 128, 0.5));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #4ade80;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: #4ade80;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    padding: 8px 16px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: rgba(74, 222, 128, 0.2);
    border-color: rgba(74, 222, 128, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 222, 128, 0.3);
}

.lang-btn:active {
    transform: translateY(0);
}

.lang-btn i {
    font-size: 1rem;
    color: #4ade80;
}

.lang-text {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 管理员登录按钮 */
.admin-access {
    margin-left: 15px;
}

.admin-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.admin-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 222, 128, 0.3), transparent);
    transition: left 0.5s ease;
}

.admin-btn:hover::before {
    left: 100%;
}

.admin-btn:hover {
    background: rgba(74, 222, 128, 0.2);
    border-color: rgba(74, 222, 128, 0.5);
    color: #4ade80;
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(74, 222, 128, 0.3);
}

.admin-btn i {
    font-size: 1.1rem;
    filter: drop-shadow(0 0 5px rgba(74, 222, 128, 0.5));
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #fff;
    transition: all 0.3s ease;
}

/* ===== 主横幅 ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.03"/><circle cx="75" cy="25" r="1" fill="%23ffffff" opacity="0.03"/><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.03"/><circle cx="25" cy="75" r="1" fill="%23ffffff" opacity="0.03"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, #4ade80, #06b6d4, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: #fff;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(74, 222, 128, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4ade80;
    margin-bottom: 5px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.hero-image {
    z-index: 2;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-10deg);
    transition: transform 0.3s ease;
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg);
}

/* ===== 功能特色 ===== */
.features {
    padding: 120px 0;
    background: linear-gradient(180deg, #0a0a0a 0%, #111827 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #4ade80, #06b6d4, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-card.featured {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1), rgba(6, 182, 212, 0.1));
    border-color: rgba(74, 222, 128, 0.3);
    position: relative;
}

.feature-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: #fff;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.feature-card.new-feature {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
    border-color: rgba(139, 92, 246, 0.3);
    position: relative;
}

.feature-card.new-feature .feature-badge {
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.3);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list i {
    color: #4ade80;
    width: 16px;
}

/* ===== 下载区域 ===== */
.download {
    padding: 120px 0;
    background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.download-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.download-card.primary {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1), rgba(6, 182, 212, 0.1));
    border-color: rgba(74, 222, 128, 0.3);
    transform: scale(1.05);
}

.download-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.download-card.primary:hover {
    transform: scale(1.05) translateY(-10px);
}

.download-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.download-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.version {
    background: rgba(74, 222, 128, 0.2);
    color: #4ade80;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.download-info {
    margin-bottom: 20px;
}

.download-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
}

.download-size {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.btn-download {
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: #fff;
    width: 100%;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.3);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    width: 100%;
    justify-content: center;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.install-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.install-warning i {
    color: #f59e0b;
    font-size: 1.2rem;
    margin-top: 2px;
}

.install-warning strong {
    color: #f59e0b;
}

.install-warning p {
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
}

/* ===== 安装教程 ===== */
.tutorial {
    padding: 120px 0;
    background: linear-gradient(180deg, #1f2937 0%, #374151 100%);
}

.tutorial-steps {
    display: grid;
    gap: 40px;
}

.step {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.3);
}

.step-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.step-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
}

.step-content a {
    color: #4ade80;
    text-decoration: none;
}

.step-content a:hover {
    text-decoration: underline;
}

.step-details ul {
    list-style: none;
    padding-left: 0;
}

.step-details li {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.step-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #4ade80;
    font-weight: bold;
}

/* ===== 命令指南 ===== */
.commands {
    padding: 120px 0;
    background: linear-gradient(180deg, #374151 0%, #475569 100%);
}

.commands-content {
    max-width: 1000px;
    margin: 0 auto;
}

.command-section {
    margin-bottom: 60px;
}

.command-section h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 30px;
    text-align: center;
}

.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.command-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.command-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(74, 222, 128, 0.3);
}

.command-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.command-header code {
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    color: #4ade80;
    font-size: 0.9rem;
    word-break: break-all;
}

.command-type {
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: #fff;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.command-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
    line-height: 1.6;
}

.command-example {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: 8px;
    border-left: 3px solid #4ade80;
}

.command-example strong {
    color: #4ade80;
    font-weight: 600;
}

.command-example code {
    background: rgba(0, 0, 0, 0.3);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #06b6d4;
    font-size: 0.85rem;
}

.usage-scenarios h3 {
    margin-bottom: 40px;
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.scenario-card {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(74, 222, 128, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-5px);
    border-color: rgba(74, 222, 128, 0.4);
}

.scenario-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: #fff;
}

.scenario-card h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.scenario-commands {
    text-align: left;
}

.scenario-commands code {
    display: block;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    color: #4ade80;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.scenario-commands p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 10px 0 0 0;
}

.command-note {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.command-note i {
    color: #f59e0b;
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.command-note strong {
    color: #f59e0b;
}

.command-note p {
    color: rgba(255, 255, 255, 0.8);
    margin: 5px 0 0 0;
    line-height: 1.6;
}

.command-hint {
    font-size: 0.8rem;
    color: rgba(74, 222, 128, 0.8);
    text-align: center;
    margin-top: 10px;
    padding: 5px;
    border-radius: 8px;
    background: rgba(74, 222, 128, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.command-card:hover .command-hint {
    opacity: 1;
}

/* ===== Bug反馈 ===== */
.bugreport {
    padding: 120px 0;
    background: linear-gradient(180deg, #1f2937 0%, #374151 100%);
}

.bugreport-content {
    max-width: 1000px;
    margin: 0 auto;
}

.report-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.method-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 222, 128, 0.1), transparent);
    transition: left 0.6s ease;
}

.method-card:hover::before {
    left: 100%;
}

.method-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(74, 222, 128, 0.2);
    border-color: rgba(74, 222, 128, 0.3);
}

.method-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: white;
}

.method-card h3 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 700;
}

.method-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 25px;
}

.method-features ul {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.method-features li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.method-features i {
    color: #4ade80;
    font-size: 0.9rem;
}

.email-info {
    margin: 20px 0;
}

.email-address {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    color: #4ade80;
    font-weight: 600;
    font-family: monospace;
}

.discord-info {
    margin: 20px 0;
}

.server-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 10px #4ade80;
    animation: pulse 2s infinite;
}

.btn-discord {
    background: #5865f2;
    color: white;
    border: none;
}

.btn-discord:hover {
    background: #4752c4;
    transform: translateY(-2px);
}

.report-guidelines {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 60px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.report-guidelines h3 {
    font-size: 2rem;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.guideline-item {
    text-align: center;
}

.guideline-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.guideline-item h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.guideline-item ul {
    list-style: none;
    text-align: left;
}

.guideline-item li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.guideline-item li::before {
    content: '•';
    color: #4ade80;
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.common-issues {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.common-issues h3 {
    font-size: 2rem;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.issues-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.issue-item {
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
}

.issue-header {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
}

.issue-header:hover {
    background: rgba(255, 255, 255, 0.08);
}

.issue-header h4 {
    color: #fff;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.issue-header i {
    color: #4ade80;
    transition: transform 0.3s ease;
}

.issue-item.active .issue-header i {
    transform: rotate(180deg);
}

.issue-content {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.issue-item.active .issue-content {
    padding: 20px 25px;
    max-height: 500px;
}

.issue-content ol {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.issue-content li {
    margin-bottom: 10px;
}

/* ===== 更新日志 ===== */
.changelog {
    padding: 120px 0;
    background: linear-gradient(180deg, #475569 0%, #4b5563 100%);
}

.changelog-content {
    max-width: 800px;
    margin: 0 auto;
}

.changelog-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.changelog-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.changelog-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.changelog-date {
    color: rgba(255, 255, 255, 0.6);
}

.changelog-type {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.changelog-type.new {
    background: rgba(74, 222, 128, 0.2);
    color: #4ade80;
}

.changelog-body h4 {
    color: #fff;
    margin-bottom: 15px;
    margin-top: 25px;
    font-size: 1.1rem;
}

.changelog-body h4:first-child {
    margin-top: 0;
}

.changelog-body ul {
    list-style: none;
    margin-bottom: 20px;
}

.changelog-body li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.changelog-body li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ade80;
    font-weight: bold;
}

/* ===== 关于 ===== */
.about {
    padding: 120px 0;
    background: linear-gradient(180deg, #4b5563 0%, #374151 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 30px;
}

.about-text p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    line-height: 1.7;
    font-size: 1.1rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-top: 40px;
}

.about-feature {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.about-feature i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.about-feature h4 {
    color: #fff;
    margin-bottom: 5px;
    font-size: 1rem;
}

.about-feature p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-card .stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0;
}

.stat-card .stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ===== 页脚 ===== */
.footer {
    background: linear-gradient(180deg, #374151 0%, #111827 100%);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #4ade80;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.footer-logo .footer-logo-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 6px rgba(74, 222, 128, 0.2));
}

.footer-logo:hover .footer-logo-icon {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 10px rgba(74, 222, 128, 0.4));
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
}

.footer-bottom-content {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-content p {
    margin-bottom: 5px;
    font-size: 0.9rem;
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(74, 222, 128, 0.4);
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .nav-container {
        position: relative;
    }
    
    .nav-actions {
        gap: 15px;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        transition: left 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        justify-content: center;
        gap: 30px;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .download-cards {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #22c55e, #0891b2);
}

/* ===== 动画效果 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
    }
    50% {
        box-shadow: 0 0 25px rgba(74, 222, 128, 0.6);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in {
    animation: slideIn 0.8s ease-out;
}

.pulse-hover:hover {
    animation: pulse 1s ease-in-out;
}

.glow-effect {
    animation: glow 2s ease-in-out infinite;
}

/* ===== 选择文本样式 ===== */
::selection {
    background: rgba(74, 222, 128, 0.3);
    color: #fff;
}

::-moz-selection {
    background: rgba(74, 222, 128, 0.3);
    color: #fff;
}

/* ===== Bug反馈页面整体样式 ===== */
.bug-feedback {
    padding: 120px 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.bug-feedback::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 15% 25%, rgba(74, 222, 128, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(6, 182, 212, 0.06) 0%, transparent 50%),
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.015) 50%, transparent 70%);
    pointer-events: none;
}

.bug-feedback .container {
    position: relative;
    z-index: 1;
}

.bug-feedback .section-header {
    text-align: center;
    margin-bottom: 80px;
}

.bug-feedback .section-header h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #4ade80, #06b6d4, #8b5cf6);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

.bug-feedback .section-header p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===== 增强视觉效果 ===== */
.enhanced-section {
    position: relative;
}

.enhanced-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 15% 25%, rgba(74, 222, 128, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.enhanced-section .container {
    position: relative;
    z-index: 1;
}

/* 统一动画 */
.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.stagger-animation > * {
    opacity: 0;
    transform: translateY(30px);
    animation: staggerFadeIn 0.6s ease-out forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }

@keyframes staggerFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bug-feedback-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
    align-items: start;
}

.feedback-methods,
.feedback-guidelines {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    padding: 50px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.feedback-methods::before,
.feedback-guidelines::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4ade80, #06b6d4, #8b5cf6);
    border-radius: 24px 24px 0 0;
}

.feedback-methods h3,
.feedback-guidelines h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #fff;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(74, 222, 128, 0.3);
}

.contact-method::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.contact-method:hover::before {
    left: 100%;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 8px 25px rgba(74, 222, 128, 0.3);
}

.contact-info h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
    font-size: 1rem;
}

.guideline-item {
    margin-bottom: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border-left: 4px solid #4ade80;
}

.guideline-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #4ade80;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.guideline-item h4 i {
    font-size: 1.1rem;
}

.common-issues {
    background: rgba(255, 255, 255, 0.025);
    border-radius: 24px;
    padding: 50px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.common-issues::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f59e0b, #ef4444, #ec4899);
    border-radius: 24px 24px 0 0;
}

.common-issues h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: #fff;
    text-align: center;
}

.issue-item {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.issue-item:hover {
    border-color: rgba(74, 222, 128, 0.3);
}

.issue-item.active {
    border-color: #4ade80;
    box-shadow: 0 8px 25px rgba(74, 222, 128, 0.15);
}

.issue-header {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.issue-header:hover {
    background: rgba(255, 255, 255, 0.04);
}

.issue-header h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    margin: 0;
}

.issue-header i {
    color: #4ade80;
    transition: transform 0.3s ease;
    font-size: 1.1rem;
}

.issue-item.active .issue-header i {
    transform: rotate(180deg);
}

.issue-content {
    padding: 0 25px 25px 25px;
    display: none;
    background: rgba(255, 255, 255, 0.01);
}

.issue-item.active .issue-content {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.issue-content ol {
    list-style: none;
    counter-reset: step-counter;
}

.issue-content li {
    counter-increment: step-counter;
    padding: 12px 0;
    padding-left: 40px;
    position: relative;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.issue-content li:last-child {
    border-bottom: none;
}

.issue-content li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 12px;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ===== 在线反馈表单样式 ===== */
.online-feedback-section {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.online-feedback-section .section-header {
    text-align: center;
    margin-bottom: 40px;
}

.online-feedback-section h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.online-feedback-section p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
}

.feedback-form-container {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 24px;
    padding: 50px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.feedback-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10b981, #06b6d4, #8b5cf6);
    border-radius: 24px 24px 0 0;
}

.feedback-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    font-weight: 600;
    color: #fff;
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 12px 16px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4ade80;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: #1a1a2e;
    color: #fff;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.btn-submit,
.btn-reset {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-submit {
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: white;
    box-shadow: 0 10px 30px rgba(74, 222, 128, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(74, 222, 128, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-reset {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-reset:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.feedback-success {
    text-align: center;
    padding: 40px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 20px;
    margin-top: 20px;
}

.success-icon {
    font-size: 4rem;
    color: #22c55e;
    margin-bottom: 20px;
}

.feedback-success h4 {
    font-size: 1.8rem;
    color: #22c55e;
    margin-bottom: 15px;
}

.feedback-success p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    line-height: 1.6;
}

.btn-new-feedback {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #4ade80, #06b6d4);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-new-feedback:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(74, 222, 128, 0.3);
}

/* 表单加载状态 */
.form-loading .btn-submit {
    pointer-events: none;
    opacity: 0.7;
}

.form-loading .btn-submit span {
    display: none;
}

.form-loading .btn-submit::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .bug-feedback-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .bug-feedback .section-header h2 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    /* Logo响应式 */
    .nav-logo .logo-icon {
        width: 38px;
        height: 38px;
        margin-right: 12px;
    }
    
    .nav-logo span {
        font-size: 1.2rem;
    }
    
    .footer-logo .footer-logo-icon {
        width: 35px;
        height: 35px;
        margin-right: 12px;
    }
    
    .footer-logo {
        font-size: 1.1rem;
    }
    
    /* 统一移动端样式 */
    section:not(.hero):not(.navbar) {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .section-header p {
        font-size: 1.1rem;
    }
    
    .card {
        padding: 30px 25px;
        margin: 0 20px;
    }
    
    .bug-feedback {
        padding: 80px 0;
    }
    
    .bug-feedback .section-header {
        margin-bottom: 60px;
    }
    
    .bug-feedback .section-header h2 {
        font-size: 2.5rem;
    }
    
    .bug-feedback .section-header p {
        font-size: 1.1rem;
    }
    
    .feedback-methods,
    .feedback-guidelines {
        padding: 30px 25px;
    }
    
    .feedback-methods h3,
    .feedback-guidelines h3 {
        font-size: 1.8rem;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin: 0 auto 15px auto;
    }
    
    .contact-info h4 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .contact-info p {
        font-size: 0.9rem;
    }
    
    .guideline-item {
        padding: 20px;
    }
    
    .guideline-item h4 {
        font-size: 1.1rem;
    }
    
    .common-issues {
        padding: 30px 25px;
    }
    
    .common-issues h3 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .issue-header {
        padding: 15px 20px;
    }
    
    .issue-header h4 {
        font-size: 1.1rem;
    }
    
    .issue-content {
        padding: 0 20px 20px 20px;
    }
    
    .issue-content li {
        padding-left: 35px;
        font-size: 0.9rem;
    }
    
    .issue-content li::before {
        width: 20px;
        height: 20px;
        font-size: 0.7rem;
    }
    
    /* 表单响应式 */
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .feedback-form-container {
        padding: 30px 25px;
        margin: 0 20px;
    }
    
    .online-feedback-section h3 {
        font-size: 2rem;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-submit,
    .btn-reset {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .bug-feedback {
        padding: 60px 0;
    }
    
    .bug-feedback .section-header h2 {
        font-size: 2rem;
    }
    
    .bug-feedback .section-header p {
        font-size: 1rem;
    }
    
    .feedback-methods,
    .feedback-guidelines,
    .common-issues {
        padding: 25px 20px;
        margin: 0 10px;
    }
    
    .feedback-form-container {
        padding: 25px 20px;
        margin: 0 10px;
    }
    
    .online-feedback-section h3 {
        font-size: 1.8rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
}